Throwable ioCause = new java.io.IOException("IO error");
        GsaConfigException ioException = new GsaConfigException("GSA IO error", ioCause);
        assertNotNull(ioException);
        assertTrue(ioException.getCause() instanceof java.io.IOException);

        // Test with custom exception
        Throwable customCause = new FessSystemException("Custom Fess error");

func TestBadExpr(t *testing.T) {
	for i, test := range badExprTests {
		err := runBadTest(i, test, t)
		if err == nil {
			if test.error != "" {
				t.Errorf("#%d: %q: expected error %q; got none", i, test.input, test.error)
			}
			continue
		}
		if !strings.Contains(err.Error(), test.error) {
			t.Errorf("#%d: expected error %q; got %q", i, test.error, err)
			continue
		}
	}
}

		t.Fatalf("failed to create data from map, got error: %v", err)
	}

	var result User
	if err := DB.Where("name = ?", "create_from_map").First(&result).Error; err != nil || result.Age != 18 {
		t.Fatalf("failed to create from map, got error %v", err)
	}

	if err := DB.Model(&User{}).Create(map[string]interface{}{"name": "create_from_map_1", "age": 18}).Error; err != nil {

	err := obj.MakeBucket(context.Background(), "string", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	err = obj.MakeBucket(context.Background(), "string", MakeBucketOptions{})
	if err == nil {
		t.Fatalf("%s: Expected error but found nil.", instanceType)
	}

	if err.Error() != "Bucket exists: string" {

		err = errNoSuchPolicy
	}
	return err
}

func (ies *IAMEtcdStore) deleteMappedPolicy(ctx context.Context, name string, userType IAMUserType, isGroup bool) error {
	err := ies.deleteIAMConfig(ctx, getMappedPolicyPath(name, userType, isGroup))
	if err == errConfigNotFound {
		err = errNoSuchPolicy
	}
	return err
}

func (ies *IAMEtcdStore) deleteUserIdentity(ctx context.Context, name string, userType IAMUserType) error {

		t.Errorf("Should got no error when creating data, but got %v", err)
	}

	if err := DB.Model(&data).Update("password", EncryptedData("xnewpass")).Error; err == nil {
		t.Errorf("Should failed to update data with invalid data")
	}

	if err := DB.Model(&data).Update("password", EncryptedData("newpass")).Error; err != nil {
		t.Errorf("Should got no error update data with valid data, but got %v", err)
	}

    //                                                                      ==============
    /**
     * Displays the bad request error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the bad request error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {
        return asHtml(virtualHost(path_Error_BadRequestJsp));
    }

func TestUpdateHasManyAssociations(t *testing.T) {
	user := *GetUser("update-has-many", Config{})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	user.Pets = []*Pet{{Name: "pet1"}, {Name: "pet2"}}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Pets").Find(&user2, "id = ?", user.ID)

        when(mockChannelManager.getLoadBalancer()).thenReturn(mockLoadBalancer);
    }

    @Test
    void testHandleFailure() {
        IOException error = new IOException("Connection failed");

        failover.handleFailure(failedChannel, error);

        assertEquals(ChannelState.FAILED, failedChannel.getState());
        verify(mockChannelManager).removeChannel(failedChannel);
    }

    @Test

	resp, err := client.Do(req)
	if err != nil {
		result.Error = err.Error()
		return
	}
	defer xhttp.DrainBody(resp.Body)
	err = gob.NewDecoder(resp.Body).Decode(&result)
	// endpoint have been overwritten
	result.Endpoint = rp.String()
	if err != nil {
		result.Error = err.Error()
	}
	return